Water weight dumbbell



FIG. 1 is a perspective view of a water weight dumbbell showing my new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view being identical;

FIG. 3 is a front elevational view thereof, the rear elevational view being identical; and,

FIG. 4 is a top plan view thereof, the bottom plan view being identical. 

The ornamental design for a water weight dumbbell, as shown. 